The two main types of braking systems used in bicycles today are caliper brakes and cantilever brakes.
Both apply pressure on the rim
alloy bike wheelof the wheel to stop the bike and are considered rim brakes.
While calipers have been and continue to be the most common brakes found on bikes,
the newer cantilevers are
chinese bike framesstronger ysbike01 and have become more popular in recent years.
Rim brakes work through a system of levers and cables.
Cables connect the brake levers (located on the handlebars) to the brake arms
that surround the top of
carbon fiber bike framethe wheels and are secured to the fork in front or seat stay in back.
When the levers are flexed by hand, the cables pull, closing the brake arms around the rims.
When the levers are released the
carbon wheelsbrakes spring back to their original position.
The section of the brakes, called the brake pad or brake shoe,that comes into contact with the moving rim is usually made of rubber or leather to maximize the friction needed to stop.
All other parts of the braking system—arms, cable, and levers—must be rigid
and precisely positioned to transfer the relatively light force exerted by hands on brake leversto the high power needed in the brakes for effective braking.
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